Year	Dollars
1992-01-01	4263748
1997-01-01	3269347
2002-01-01	3209744
2003-01-01	2377967
2004-01-01	4990132
2005-01-01	7001700
2006-01-01	7867408
2007-01-01	16423166
2008-01-01	22727418
2009-01-01	9402787
2010-01-01	10188797
2011-01-01	18808572
2012-01-01	12845498
2013-01-01	13343755
2014-01-01	13190913
2015-01-01	11970124
2016-01-01	14113742